实现温度数据接收暂停功能，保持TCP连接但不处理数据

Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs

@@ -296,7 +296,7 @@ namespace JoyD.Windows.CS.Toprie
                         if (_isReceivingImage)
                         {   
                             _deviceManager.StopImageReceiving();
-                            _deviceManager.StopTemperatureDataReceiving();
+                            _deviceManager.PauseTemperatureDataReceiving();
                             _isReceivingImage = false;
                         }
                     }
@@ -316,9 +316,8 @@ namespace JoyD.Windows.CS.Toprie
                         if (_deviceManager.ConnectionStatus == ConnectionStatus.Connected)
                         {   
                             _deviceManager.StopImageReceiving();
-                            _deviceManager.StopTemperatureDataReceiving();
                             _deviceManager.StartImageReceiving();
-                            _deviceManager.StartTemperatureDataReceiving();
+                            _deviceManager.ResumeTemperatureDataReceiving();
                             _isReceivingImage = true;
                             
                             // 恢复检测后，启动连接检查以确保连接正常
@@ -612,7 +611,7 @@ namespace JoyD.Windows.CS.Toprie
                         }
                         else
                         {
-                            _deviceManager.StopTemperatureDataReceiving();
+                            //_deviceManager.StopTemperatureDataReceiving();
                             _deviceManager.StartTemperatureDataReceiving();
                             _lastTemperatureStartCall = DateTime.Now;
                         }

Windows/CS/Framework4.0/Toprie/Toprie/DeviceManager.cs

@@ -266,6 +266,7 @@ namespace JoyD.Windows.CS.Toprie
         private TcpClient _temperatureTcpClient;
         private NetworkStream _temperatureStream;
         private bool _isReceivingTemperatureData = false;
+        private bool _isTemperatureReceivingPaused = false; // 暂停标志，用于控制是否处理接收到的温度数据
         private ManualResetEvent _stopTemperatureEvent;
         private const int TEMPERATURE_TCP_PORT = 8081; // 温度数据TCP端口 - 修正为热像仪SDK文档中指定的端口
         
@@ -902,7 +903,6 @@ namespace JoyD.Windows.CS.Toprie
             {
                 // 确保之前的连接已关闭
                 StopTemperatureDataReceiving();
-
                 // 在锁内执行所有关键状态更新，确保原子性
                 lock (_lockObject)
                 {
@@ -911,6 +911,7 @@ namespace JoyD.Windows.CS.Toprie
                     _stopTemperatureEvent = new ManualResetEvent(false);
                     _isReceivingTemperatureData = true;
                 }
+                Thread.Sleep(500);
                 
                 // 创建并启动温度数据接收线程
                 Thread newThread = new Thread(ReceiveTemperatureDataWithTcp)
@@ -952,6 +953,71 @@ namespace JoyD.Windows.CS.Toprie
         /// <summary>
         /// 停止接收温度数据
         /// </summary>
+        /// <summary>
+        /// 暂停温度数据接收处理（保持TCP连接，但不处理数据）
+        /// </summary>
+        public void PauseTemperatureDataReceiving()
+        {
+            Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] PauseTemperatureDataReceiving() - 开始执行");
+            
+            if (_isDisposed)
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] PauseTemperatureDataReceiving() - 对象已释放，跳过操作");
+                return;
+            }
+            
+            try
+            {
+                lock (_lockObject)
+                {
+                    _isTemperatureReceivingPaused = true;
+                }
+                Log("温度数据接收已暂停，保持TCP连接但不处理数据");
+            }
+            catch (Exception ex)
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] PauseTemperatureDataReceiving() - 异常: {ex.Message}");
+            }
+            finally
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] PauseTemperatureDataReceiving() - 执行完成");
+            }
+        }
+
+        /// <summary>
+        /// 恢复温度数据接收处理
+        /// </summary>
+        public void ResumeTemperatureDataReceiving()
+        {
+            Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] ResumeTemperatureDataReceiving() - 开始执行");
+            
+            if (_isDisposed)
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] ResumeTemperatureDataReceiving() - 对象已释放，跳过操作");
+                return;
+            }
+            
+            try
+            {
+                lock (_lockObject)
+                {
+                    _isTemperatureReceivingPaused = false;
+                }
+                Log("温度数据接收已恢复，开始处理数据");
+            }
+            catch (Exception ex)
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] ResumeTemperatureDataReceiving() - 异常: {ex.Message}");
+            }
+            finally
+            {
+                Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] ResumeTemperatureDataReceiving() - 执行完成");
+            }
+        }
+
+        /// <summary>
+        /// 停止接收温度数据（断开TCP连接）
+        /// </summary>
         public void StopTemperatureDataReceiving()
         {
             Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] StopTemperatureDataReceiving() - 开始执行");
@@ -974,6 +1040,7 @@ namespace JoyD.Windows.CS.Toprie
                 lock (_lockObject)
                 {
                     _isReceivingTemperatureData = false;
+                    _isTemperatureReceivingPaused = false; // 同时重置暂停状态
                     stopEventToDispose = _stopTemperatureEvent;
                     threadToJoin = _temperatureReceiveThread;
                     streamToClose = _temperatureStream;
@@ -1089,9 +1156,6 @@ namespace JoyD.Windows.CS.Toprie
             // 根据分析，温度数据帧大小为98313字节(9字节头部+256×192×2字节数据)，增大缓冲区提高接收效率
             byte[] buffer = new byte[65536]; // 增大温度数据缓冲区，减少Read操作次数
                         
-            // 心跳检查时间记录，用于定期验证连接有效性
-            DateTime lastConnectionCheckTime = DateTime.Now;
-            
             try
             {
                 // 创建TCP客户端并连接到设备的温度数据端口
@@ -1197,6 +1261,20 @@ namespace JoyD.Windows.CS.Toprie
                                 
                                 Log($"接收到温度数据字节数: {bytesRead}");
                                     
+                                    // 检查是否处于暂停状态
+                                    bool isPaused = false;
+                                    lock (_lockObject)
+                                    {
+                                        isPaused = _isTemperatureReceivingPaused;
+                                    }
+                                    
+                                    if (isPaused)
+                                    {
+                                        Log("温度数据接收处于暂停状态，数据已接收但不处理");
+                                        // 数据已接收但不处理，直接丢弃
+                                    }
+                                    else
+                                    {
                                         // 线程安全地更新累积器或直接处理
                                         lock (temperatureDataAccumulator)
                                         {
@@ -1204,6 +1282,7 @@ namespace JoyD.Windows.CS.Toprie
                                             ProcessReceivedTemperatureData(temperatureDataAccumulator);
                                         }
                                     }
+                            }
                             else
                             {
                                 // 读取到0字节表示连接已关闭
@@ -1217,13 +1296,6 @@ namespace JoyD.Windows.CS.Toprie
                             // 如果没有数据可读，短暂休眠避免CPU占用过高
                             Thread.Sleep(10);
                         }
-                    
-                        // 定期检查连接状态，确保连接仍然有效
-                        if (DateTime.Now - lastConnectionCheckTime > TimeSpan.FromSeconds(30))
-                        {
-                            Log("定期检查温度数据连接状态");
-                            lastConnectionCheckTime = DateTime.Now;
-                        }
                     }
                     catch (TimeoutException)
                     {

Windows/CS/Framework4.0/Toprie/Toprie/README.md

@@ -20,3 +20,10 @@
  1. 先将LastImage绘制到全局缓冲 
  2. 再将InfoImage绘制到缓冲 
  3. 最后一次性绘制到图像框的bitmap
+ ### Tcp温度数据接收
+ 1. 系统初始化时，创建后台线程。
+ 2. 设置接收状态为false,然后线程循环执行
+ 3. 如果接收状态为false,如果暂停则Sleep 1秒后继续,否则同步创建tcp连接，并同步接收和处理数据。
+ 4. 如果接收状态为true,如果暂停，接收后丢弃。否则同步接收并处理数据。
+ 4. Dispose时，关闭后台线程。
+